Home / 36,135.52-49,865.39-20,003.43

Finding the Fourth Proportional to 36,135.52, 49,865.39 and 20,003.43

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Solution

The fourth proportional to 36,135.52, 49,865.39 and 20,003.43 is: 27,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.52 : 49,865.39 = 20,003.43 : x
  2. Step 2: Convert to fraction form
    36,135.52/49,865.39 = 20,003.43/x
  3. Step 3: Cross multiply
    36,135.52x = 49,865.39 × 20,003.43
  4. Step 4: Simplify right side
    36,135.52x = 997,478,860.03
  5. Step 5: Solve for x
    x = 997,478,860.03/36,135.52
  6. Step 6: Final answer
    x = 27,603.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.